Bone crits are now only rolled for brute damage (shiptest-ss13#3181)

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## About The Pull Request


![image](https://github.com/shiptest-ss13/Shiptest/assets/24857008/b6659939-8c1e-4ef0-9c5b-a5bc6399d9ac)

## Why It's Good For The Game

Life or random damage ticks for disabler cat

## Changelog

:cl:
fix: brute damage is now required to break bones
/:cl:

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Signed-off-by: Theos <theubernyan@gmail.com>

code/modules/surgery/bodyparts/bodyparts.dm

@@ -244,7 +244,7 @@
 			burn *= 2
 
 	// Is the damage greater than the threshold, and if so, probability of damage + item force
-	if((brute_dam > bone_break_threshold) && prob(brute_dam + break_modifier))
+	if(brute && (brute_dam > bone_break_threshold) && prob(brute_dam + break_modifier))
 		break_bone()
 
 	// Bleeding is applied here